»Q« <[EMAIL PROTECTED]> wrote in news:[EMAIL PROTECTED]:
> Christopher Jahn <[EMAIL PROTECTED]> wrote in > <news:[EMAIL PROTECTED]>: > >> CarlosRivera <[EMAIL PROTECTED]> wrote in >> news:[EMAIL PROTECTED]: >> >>> I have heard that web sites are using screen size (width, height) >>> and depth to help track one. For example, they could make a >>> fairly reasonable guess that somebody with screen information of >>> 640x480x256 or 1920x1280x32 is in a certain income category. >>> They can also store this information and your IP subnet and track >>> one. I consider that my screen size and depth should be private. >>> Is there a way to set these sorts of properties for javascript >>> to my choosing? >>> >> >> Where did you hear this? This is a new one to me. >> >> Javascript isn't used to determine screen size, and AFAIK the web >> page and its server simply dish up HTML - your browser determines >> how to fit it to your screen. > > Javascript is used to determine screen size. See what happens if you > enter javascript *can be used* to determine screen size. Doesn't mean it always is. > > javascript:alert('Your resolution is '+screen.width+'x'+screen.height) > > in the location bar. I don't know how to disable it without disableing > js itself. > -- }:-) Christopher Jahn {:-( http://home.comcast.net/~xjahn/Main.html "There's nothing you can do that can't be done." (John Lennon) _______________________________________________ Mozilla-security mailing list Mozilla-security@mozilla.org http://mail.mozilla.org/listinfo/mozilla-security